An anomaly starts to make its way down the corridor. T'Pol's leg comes free. T'Pol reaches out for Archer, he grabs onto her arm. The anomaly hits and T'Pol loses her grip on Archer, the anomaly pushes Archer onto his back, unconscious.

PHLOX: The anomaly in the corridor left something behind. We’ve never seen it before. This is a microcellular scan of your hippocampus. You’ve been infected by several clusters of parasites. They haven’t caused any tissue damage but they’re impairing certain synaptic functions. They’re preventing you from forming new long term memories.